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Autonomous System

AS7786

NeuStar, Inc.

Announced IPs
7,424
CIDR prefixes
22
ASN
AS7786

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

65/100
Moderate
How this score is built
  • Baseline (neutral) 65
  • Trust score 65 / 100

Experimental · trust-vectors model v1.2.1 — a transparent heuristic, not a definitive verdict. How it works →

About Neustar

Neustar, Inc. is an American technology company that provides real-time information and analytics for risk, digital performance, defense, telecommunications, entertainment, and marketing industries, and also provides clearinghouse and directory services to the global communications and Internet industries.

Founded
1996
Headquarters
Sterling
Employees
1,488

Network profile

Source: PeeringDB →
Geographic scope Not Disclosed
Traffic ratio Not Disclosed
Peering policy Open

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
156.154.16.0/23 512
25.2%
NeuStar, Inc. US — —
156.154.24.0/23 512
10.5%
NeuStar, Inc. US — —
156.154.116.0/23 512
0.0%
NeuStar, Inc. US — —
156.154.148.0/23 512
0.4%
NeuStar, Inc. US — —
156.154.188.0/23 512
0.4%
NeuStar, Inc. US — —
156.154.192.0/23 512
7.2%
NeuStar, Inc. US — —
156.154.202.0/23 512
0.0%
NeuStar, Inc. US — —
156.154.18.0/24 256
0.0%
NeuStar, Inc. US — —
156.154.26.0/24 256
0.0%
NeuStar, Inc. US — —
156.154.30.0/24 256
0.0%
NeuStar, Inc. US — —
156.154.42.0/24 256
29.3%
NeuStar, Inc. US — —
156.154.52.0/24 256
12.9%
NeuStar, Inc. US — —
156.154.56.0/24 256
0.0%
NeuStar, Inc. US — —
156.154.59.0/24 256
2.0%
NeuStar, Inc. US — —
156.154.83.0/24 256
0.0%
NeuStar, Inc. US — —
156.154.136.0/24 256
0.0%
NeuStar, Inc. US — —
156.154.138.0/24 256
0.0%
NeuStar, Inc. US — —
156.154.195.0/24 256
0.0%
NeuStar, Inc. US — —
156.154.196.0/24 256
0.0%
NeuStar, Inc. US — —
156.154.199.0/24 256
0.0%
NeuStar, Inc. US — —
156.154.200.0/24 256
0.0%
NeuStar, Inc. US — —
209.173.53.0/24 256
21.1%
NeuStar, Inc. US — —

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS7786 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
156.154.188.0/24 70,941 2026-08-14 14:51:50
156.154.189.0/24 69,834 2026-08-14 14:51:50
156.154.200.0/24 21,399 2026-10-20 03:19:45
156.154.117.0/24 19,575 2026-10-20 03:19:44
156.154.52.0/24 19,478 2026-10-20 03:19:44
156.154.199.0/24 19,096 2026-10-20 03:19:44
156.154.42.0/24 19,061 2026-10-20 03:19:44
156.154.83.0/24 19,055 2026-10-20 03:19:44
156.154.138.0/24 18,885 2026-10-20 03:19:44
156.154.56.0/24 18,843 2026-10-20 03:19:45
156.154.148.0/23 18,793 2026-10-20 03:19:45
156.154.202.0/24 18,688 2026-10-20 03:19:44
156.154.59.0/24 18,679 2026-10-20 03:19:44
156.154.136.0/24 18,664 2026-10-20 03:19:45
156.154.16.0/22 18,617 2026-10-20 03:19:44
156.154.30.0/24 18,540 2026-10-20 03:19:44
156.154.192.0/24 18,492 2026-10-20 03:19:44
156.154.24.0/24 18,295 2026-10-20 03:19:44
156.154.196.0/24 18,245 2026-10-20 03:19:44
156.154.193.0/24 18,237 2026-10-20 03:19:44
156.154.116.0/24 18,223 2026-10-20 03:19:45
156.154.25.0/24 18,207 2026-10-20 03:19:44
209.173.53.0/24 18,053 2026-10-20 03:19:44
156.154.188.0/23 18,024 2026-10-20 03:19:44
156.154.26.0/24 11,670 2026-10-20 01:53:37
156.154.203.0/24 7,157 2026-10-20 03:19:44
156.154.195.0/24 7,022 2026-10-20 03:19:44
156.154.149.0/24 1,326 2026-08-14 05:41:49

Frequently Asked Questions

What is AS7786?

AS7786 is an Autonomous System Number assigned to NeuStar, Inc.. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).

How many IP addresses does AS7786 announce?

AS7786 announces 7.4K IPv4 addresses distributed across 22 routed CIDR prefixes. The network is registered in United States.

Who operates AS7786?

AS7786 is operated by NeuStar, Inc.. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS7786 registered in?

AS7786 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-10-20 03:54:04 UTC
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